

set_property PACKAGE_PIN N18 [get_ports {i_clk}]
set_property IOSTANDARD LVCMOS33 [get_ports {i_clk}]

set_property PACKAGE_PIN P16 [get_ports {i_rst}]
set_property IOSTANDARD LVCMOS33 [get_ports {i_rst}]

set_property PACKAGE_PIN T17 [get_ports {i_in}]
set_property IOSTANDARD LVCMOS33 [get_ports {i_in}]

set_property PACKAGE_PIN Y14 [get_ports {o_out}]
set_property IOSTANDARD LVCMOS33 [get_ports {o_out}]

